J sign (shoulder)

Dr Craig Hacking and A.Prof Frank Gaillard et al.

The J sign refers to the appearance of the inferior glenohumeral ligament in the presence of a humeral avulsion of the glenohumeral ligament (HAGL lesion). The normal U-shaped inferior glenohumeral recess is retracted away from the humerus, appearing in the shape of "J" in right shoulder, or reversed "J" in left shoulder in coronal oblique views 2.

Inspired signs
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Article information

rID: 7516
Section: Signs
Synonyms or Alternate Spellings:
  • J sign of shoulder
  • J-sign of shoulder

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Cases and figures

  • Case 1
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